Speed Control Operates But Doesn't Resume, Accel or Coast Down

1. Check to ensure proper operation of Set-Acc switch, coast switch, resume switch and slip ring circuits. If found satisfactory, proceed to step 2. If not found satisfactory, service or replace switch and circuit as necessary.
2. Perform tests on servo. If found satisfactory, proceed to step 3. If not found satisfactory, replace servo.
3. Perform tests on the amplifier. If found satisfactory, proceed to step 4. If not found satisfactory, replace amplifier.
4. Examine all connectors to ensure proper contacts.